UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xVx8GJjW1jG3YgGfAfOLrywdaNnJciAzBCu4EsRuq50=' 
WHERE 
  key_id = '51622935be175746c6757842f1fc9a39e89d7ecf012f650a3e7f81d076fffd84' 
  AND (
    token = 'xVx8GJjW1jG3YgGfAfOLrywdaNnJciAzBCu4EsRuq50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )